89811916 has 6 divisors (see below), whose sum is σ = 157170860. Its totient is φ = 44905956.

The previous prime is 89811899. The next prime is 89811919. The reversal of 89811916 is 61911898.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89811919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226486 + ... + 11226493.

Almost surely, 2^89811916 is an apocalyptic number.

It is an amenable number.

89811916 is a deficient number, since it is larger than the sum of its proper divisors (67358944).

89811916 is a wasteful number, since it uses less digits than its factorization.

89811916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22452983 (or 22452981 counting only the distinct ones).

The product of its digits is 31104, while the sum is 43.

The square root of 89811916 is about 9476.9148988476. The cubic root of 89811916 is about 447.8280789632.

The spelling of 89811916 in words is "eighty-nine million, eight hundred eleven thousand, nine hundred sixteen".